Lees-Edwards boundary conditions for lattice Boltzmann

Details Lees-Edwards boundary conditions for lattice Boltzmann Lees-Edwards boundary conditions for lattice Boltzmann

2001-03-09

arxiv.org/abs/cond-mat/0103218v2

Physics

Condensed Matter

Soft Condensed Matter

15 pages, 3 figures

Scientific paper

Lees Edwards boundary conditions (LEbc) for Molecular Dynamics simulations are an extension of the well known periodic boundary conditions and allow the simulation of bulk systems in a simple shear flow. We show how the idea of LEbc can be implemented in lattice Boltzmann simulations and how LEbc can be used to overcome the problem of a maxinum shear rate that is limited to less than 1/Ly (with Ly the transverse system size) in traditional lattice Boltzmann implementations of shear flow.

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